MESON Chess Problem Database

Problem Display
PID: 5114 (4R2r/1Npn4/1n2B2p/4B3/2p1k3/6Q1/8/Kb6 w - - 0 1)

Kuskop, Friedrich Amandus Leopold

3rd Prize, Canterbury Times, 1900-1901

4R2r/1Npn4/1n2B2p/4B3/2p1k3/6Q1/8/Kb6

#2

6 + 8

3360 Simple Two-move Themes 1924

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Qf4#
    • 1...Sc5
      • 2.Sxc5#
    • 1...Sf6
      • 2.Sc5#
    • 1...Sb8
      • 2.Sc5#
    • 1...Sf8
      • 2.Sc5#
    • 1...c5
      • 2.Sd6#
    • 1...c6
      • 2.Sd6#
  • Tries
    • 1.Bf4?
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Sd5!
    • 1.Qe1+?
      • 1...Kd3
        • 2.Bf5#
      • 1...Kf3!
  • Keys
    • 1.Qf2!
      • threat
        • 2.Qe2#
      • 1...Kd3
        • 2.Bf5#
      • 1...Kxe5
        • 2.Bg8#
      • 1...Sxe5
        • 2.Sc5#
      • 1...Sd5
        • 2.Bf5#
      • 1...Bd3
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • B(a);SBLOCK::QAR1(B)
    • S(g);N_GUARD::S(E),XS(g)
    • S(g);N_GUARD::S(E)
    • P(f);N_GUARD::S(E)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAR1(B)
      • Vars
        • K(c);P-FLIGHT::QAB1(B)
      • Refutation
        • S(d);
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT::B(D)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAR2(B)
    • Vars
      • K(c);S_FLIGHT::B(D)
      • K(c);OGATEB,P-FLIGHT,XB(C)::R(F)+B(D)
      • S(g);N_GUARD,SBLOCK,XB(C)::S(E)
      • S(d);SBLOCK::B(D)
      • B(a);SBLOCK::QAR1(B)
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